Puberty appears to have two effects, ________________the circadian cycle and ________________ the accumulation of sleep pressure by the homeostatic drive system.
a. shortening; reducing
b. lengthening; increasing
c. lengthening; reducing
d. shortening; increasing
Question 2
The sleep/wake shift involves
a. many adolescents switching to sleeping during the day rather than the night.
b. increased sleepiness both during the day and at night among many adolescents.
c. decreased sleepiness both during the day and at night among many adolescents.
d. increased sleepiness during the day and decreased sleepiness at night among many adolescents.
Cell cycle
The cardiac cycle showing systole and diastole.
The early stages of the human life cycle.
Life cycle of bacteriophage T4
Major cell cycle checkpoints
The normal cell cycle and each of its growth phases